engine optimization. those companies are often referred to as content farms. you click on them, you know, you get something that's remotely related to what you're looking for, but potentially isn't very helpful, might even be factually inaccurate, and is probably covered with ads so that the company that created the content can reap the benefits there. >> so, how is google tweaking things? i mean, for all of us, is it, i guess the concept, should we broaden the search or should we reduce the search words? >> one of the things google keeps very much under lock and key is how it handles its search algorithm, so there's a lot of very calculated tweaking going on there and a lot of that is absolutely not open to the public. >> then they've got the psychic i'm feeling lucky button, too. so they have to be thinking what you're thinking, exactly what you want, so that has to be right. >> absolutely. and i think google has something at stake here because these companies have figured out how to gain its algorithm